Heating device for use with liquid fuel.



No. 783,898. PATENTED FEB. 28, 1905. A. R. SGHERDING.

HEATING BEVIE FR USE WITH LIQUID FUEL. APPLIOATION FILED JULY 30,1901.

2 SHEETS-mmm 1.

PATENTED FEB. 28, 1905.

A. RSGHERDNG. HEATING DEVE FOR USE WITH LIQUID FUELz APPMUATION FILED JULY 30,1901.

SHEBTSnSHBBT 2.

Ma-MMV l inn' rien-rice treinta. ron

. i i lllatented February' titl., limiti.,

artnr Drrlcn.

nine, o i entre, 'runnen der: rrrrriftinuin nuttin "erecmcarroir formino ma or :team raient tra.v readme, anita rem-.law iena Application lcdgl'uly 30.

1on1. commercant '1 einen engineer, of 42. ltue du Louvre, lllaris, in

thelilrench Repuhlicrhavc invented a certain new and useful Heating Device torillse withlliiquidlluelt, oi" which the following is a i'ull.I clear., and exact descriptiom 'lhie invention relates to a device for heat 5 a lo); means otcoinbuetible liquide for use inconncction with the heatinn; and rapid oh tanning,r of preneurein steanngeneratore, lnrnacee., tire-gratos, and the like.

"This device etl'ecte the mingling and ntimate mixture of a combustible liquid with the amount ot air necessary for coinplctecomhuea tion and enablce the vaulrnieeicn ci theilniirf tureto heraried, eo as to vary the intensity of theyheatilnn;l i

lin the drawings, Figure l is a `eertion of the. device forming` the eenential part and whichl terni `the "adjustable .rnin'innriet.Al Fig. 2 ehowezin section a sinnililied arrangement el thieawparatus. lling, 3 in a eide elevation illustrating theI helicoidal nozzle.

'llhe essential nartfof the dcvice,rwhich I designate the M adjustable mixing,r jet, ie Shown'. in longitudinal section in lilo'. l. lt comprises a jet worked by steam or compressed air which eilects thev admission into a helicoidal vantage ot' thcliquid luel supplied lronia reservoir. The mixtureof liquid and otstcain vor air isdirected into-a nozzle or "'tiryer, Where, with thc ansihtiincc ot a second jct it .receives a anpnlenxentary'addition ol air, and c it in further mixed with ya column ci air proceeding l rom a third Jet. lhe helicoldal channel., into which the mixture ol liquid tueland o t steam or air ie sent by a jet .t sucking into or led fromv a rcaervon' containing,` the conihuatihle, isconstructed ae follows: it tubular vportion formed ol a cylindrical part 3, joined inn; contact with the interior cylindrical walh toaltruncated cone 3", Serves` ae a jacket for ahell ll., composed lol" a tuheof which the inner wall ie cylindrical and the'ou'ter wall ie truncated toward the end 5. Upon the external cylindrical portion are circularrbe llnnaku olfthe jacket 3, forming a `s eriea ci circular channels, which comnnnncate oy ineane ol: openings.formed mytheee ribs, so that a channel haringfa direction ol" alielicoidal nature ie obtenir-Ld.l 'llfheac rihev 6 might he replaced h ra-eingle ril; nl exactly helicoidal chape. ae will b'e eyidgent. Thin channel communicates at itt lower kportion with thenipe l forming the end ol the iet it, through which the liquid fuel ie admitted. l

"lhc external truncated eurliace ot the part 5 is arranged at a eliirhtdietance treni the inv l telrnal truncated Surface ol the aioart El". l/lith l .ill vthe -ehcll ft is provided, in contact with'ite i 'cylimlrical wall., a tube or liner Si. Whicli eny ide somewhat-heyond the end ol 5 and. ende e lightly below the truncated wall El". -llhe Vannular Space or throat eo formed can he varied ne dceircd b r adjuetintr liner El. For

Athin` purnoee the latter ie at ite lower part tion as renards hcinfht can he varied. ite en treinity at thie end in open to the air. ille vond the other extremity ot' the linerll the truncated portion 3 linishee ncarthc internal truncated nui-face in a casing ll.w which 'ie with the outer air.'

The admission-jet A com nrisee an arrange-- neentenahlintg the width or here of the annularjpaeeairc tiarcund thiipipe l in t'ront `of the teenage 'l' to he altered according' to the pressure of the steam or air` Thieadjuetxnent ie ell'ccted hr means ol? a spindle 2", which is a cylindrical portion having a conical end t5. lleinn; ecreiwthreaded at dit this cylinder can be advanced or withdrawn in the manner ci' a necdlwralve, and consequentlyY i ythe here ot the annular pees-age it is decreased or increaned. l may alsoecre'wit eo that it is idee" the atoreeaid*annular space te communicate" screwed at l0 to the ehell la so that ite noni Y continued as: a cylinder ll,` enc'linn" at'l in a v IOO tra

i blocked at 4T in order to cut off the admisiv lation of this part.

in such' a mannerl that, for example, each" sion oi steam.

i`he`spiiidle 2 passes through u chamber 48, into which the liquid fuel .enters through a side inlet 9. und ililie cent1-nl portion of thqhandl-e2m.S coininuiiieates wi Lhthis chamber. stu iling. liox 52 prevents leakage from the fuel-chamber. '.lfhe spindle 2" ends in .a square portion :5-3, which is acted upon -for the manipu- The construction is made turn corresponds'with a variation of'one-tenth of a niiliiiieter inthe seotionoil the annular passage, which'` thusV enables this to be estiniated--v f f Vhen` the heating device is working, the mixture of guseousiluid andjof liquid fuel Afurnished Aby the jet A entersthe channel' ormedby the ribs 6, traverses it, and'passes out by' the annular `space or throat between?. the, end of the truncated portion 3'? and the internal truncated portion of the casingfll';

".ihis space is adjusted as desired by the movel nient of the liner 9.` At this point the speed,

of the inixtureis. increased by the ,jet

rihis draws in and delivers. air'from theatreosphere tlirougl"the .central channel of a pipe 58, by meansloi' which the annular. b ore el: this jet is regulateif'l.` The steam or ,comf pressed air `feeding this'jet enters at 5 9. The

mixture of airand steam under pressure' furnished vby this jet passes through the channel 5?. enters .thechamber 56, formed by through the annular passage existing between the end o theftrunCated-WallBf and the easing il, so tha-tit affords an increasein speed to the combustible mixture, whlchffas has. been seernis delivereda little beneath. This a r rangement'enables ,me materially to increase the `output of combustible, While. procuring a supplementary supply of air, which becomes intimately 4mixed .with the Vimbustiblemix-V ture. ihe latter entersfthf' pipe 14, andby reason of' its speed ainv is drawn in through theopenin'gs' 17. creased and the value-of the combustible mix.;

ture Ais improved-by. .the arrangement-oir'- ajet.i (j, injectingV into the centrahpasssge or pipel ai'id'axiaily thereo`-a= column of. air' drawn in be* an annular ietofsteam, This 'jet,consists jef* a nezzle 60, placed; in the axis of the pasf or pipeofthe'mixingrjet, linzered at el :ntoathispassage 60 annuiarly, v.

' The annular .Steam is dech eteaiuiieing admitted at 62. get steuerescapingat 61, and vudnclhmay' besides he very lweak, carries along a quantity or air through the passage and lmpartsto By ine-ans 'of two openings 50' The supplyA is fur-ther iiimassa-v it a fair speedf This uxiliryrhixture ot' air and of steam enters `into the nozzle or central passage'of the principal jet and-inf The, apparatus vitelli Vhave jusidescribed' "canbe used' fonafperfect regulation of the elemeucsjof "the cembustible mixture and allows liquid fuels of verydiiee'nt qualities to'be` employed; but linl certain lcasesl. may

employ a simplified form Iof* "the apparatus,

such as is shown in FigzfZ`r This apparatus 1s parts corresponding@ those of thev apparatus above described 'bear thefsarne reference-iig- UIQS C f Inm'yclaims where I usefthe term'"a supporter of combustion I wish to" bev understoodja's'; including,` -broedlmf eitherair or 1.A,no zzle for mixing andejecting-liquid fuel, comprising' 'means yfor forcing said fuel in a tubular stream, l meausfor mixing \afsup porterof-combustion under pressure with thetubular Vstrearn;means for *supplying asup porter of combustion "tothe'j'centerofsaid i fuel streamandmeansfor'supplying a tubular stream of, asupporterof Acombustion to the outer wall lof thefuelfstreanufall', substantially and ajaeket, t-wol chambers .within the jacket,

'atmesph'erie openings at 50thends of the IOO jacket, a'nozzle'at the redr of thefliner; con sistingfoffa pressure-connection 62, and an.

atmospheric' opening, a' fuelfieedto one ot' the chambers, `coiisisti ngofai fuel c'on'n'ei'i'tion 49 and apressureconnection, a supporter of .combustion-feed 'tdtheother chamber, consisting of ajp'ressure connection fandsan uti mos'phe'fric eonnection, substantially as described 'Y In testimony whereofIhavesigned my name to this specication in the presence ot' two sub 'scribingwitnesses Y, x-iuevsrizfonirr SoiiiimiiNG. Witnesses: l l l` 'GUs'rAvn DUMONT, l

Epwniui MACLEAN; v

IIO 

